Home / 3,666.69-5,501.79-2,279.66

Finding the Fourth Proportional to 3,666.69, 5,501.79 and 2,279.66

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Solution

The fourth proportional to 3,666.69, 5,501.79 and 2,279.66 is: 3,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.69 : 5,501.79 = 2,279.66 : x
  2. Step 2: Convert to fraction form
    3,666.69/5,501.79 = 2,279.66/x
  3. Step 3: Cross multiply
    3,666.69x = 5,501.79 × 2,279.66
  4. Step 4: Simplify right side
    3,666.69x = 12,542,183.08
  5. Step 5: Solve for x
    x = 12,542,183.08/3,666.69
  6. Step 6: Final answer
    x = 3,420.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.